"""
算术运算符:
+
-
*
/
//  整除  取整
%  取余
**  次幂
"""
print(13//2)    #6.5   6   7
print(13%2)    #
print(2**3)  #2的3次方
# print(1+2)
# print(1-2)
# print(1*2)
# print(1/2)
# print(1+2*3)
# print((1+2)*3)


